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Over [174]
2 years ago
13

42 = -7 (z - 3) z = ?

Mathematics
2 answers:
liubo4ka [24]2 years ago
3 0

Answer:

The answer to your question is z = -3

Step-by-step explanation:

Expand                 42 = -7(z - 3)

                             42 = -7z + 21

Simplify                 7z = -42 + 21

                             7z = -21

Clear z                    z = \frac{-21}{7}

                              z = -3                                                            

solniwko [45]2 years ago
3 0
42=-7z+21
42-21=-7z
21/-7=-7z/-7
-3=z
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astra-53 [7]

<em>Note:</em>

<em>Your questions sound a little unclear.</em>

<em>But, I am assuming your questions as:</em>

<em>''70% of x is 14 min. Find the value of x''.</em>

<em>So, I will solve assuming this statement which anyways would clear your concept. </em>

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Step-by-step explanation:

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<em>''70% of x is 14 min. Find the value of x''.</em>

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